From patchwork Mon Apr 26 17:44:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavan Nikhilesh Bhagavatula X-Patchwork-Id: 92209 X-Patchwork-Delegate: jerinj@marvell.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 90071A0548; Mon, 26 Apr 2021 19:47:54 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 055C341260; Mon, 26 Apr 2021 19:46:18 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by mails.dpdk.org (Postfix) with ESMTP id D2CBA4121D for ; Mon, 26 Apr 2021 19:46:16 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 13QHjY7s009116 for ; Mon, 26 Apr 2021 10:46:16 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=vsZCRA65w2dBqx9YzkHzhe14uOdNGaQsqvZXeyXCBgE=; b=HTW8Xtjv7B6OjYwxmwtWzhPqNLZw5QHBXNf4FFn+lWtd4lazmuhX2lrjBgni9EcHSjuV HM+k/OMmEC6Rqj1V8YKd5+pUEVswBU6/oLiA/jEvwXTCWWY5bG2t/CNWOIOaPw6mLhbT 7TmJCRIGcGQhOlA3ICeyY/USUR9zhm0vryRBL4Vma6ay0cPK48+hlzZIrOtKvdczXVkV 8bhCkdz7/YUz3VbLyZM1JcdrHy63hVdd05/XFbOmvtvNXdUNGv/E1nTQwm6WukjsDE48 RhOpMOhNU79CYFiKdyZTsNHdJG05lZesnx15bXyHqLQbOoHS4QFQV8WzeOxZsOe5RGxf cw== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com with ESMTP id 385hfr2tpx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Mon, 26 Apr 2021 10:46:16 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 26 Apr 2021 10:46:14 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 26 Apr 2021 10:46:14 -0700 Received: from BG-LT7430.marvell.com (BG-LT7430.marvell.com [10.28.177.176]) by maili.marvell.com (Postfix) with ESMTP id CAB835B6C96; Mon, 26 Apr 2021 10:46:12 -0700 (PDT) From: To: , Pavan Nikhilesh , "Shijith Thotton" CC: Date: Mon, 26 Apr 2021 23:14:30 +0530 Message-ID: <20210426174441.2302-24-pbhagavatula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210426174441.2302-1-pbhagavatula@marvell.com> References: <20210306162942.6845-1-pbhagavatula@marvell.com> <20210426174441.2302-1-pbhagavatula@marvell.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: hwieIeP3KK_oyPpyKSDR7LzXH30LQ1d0 X-Proofpoint-GUID: hwieIeP3KK_oyPpyKSDR7LzXH30LQ1d0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-04-26_09:2021-04-26, 2021-04-26 signatures=0 Subject: [dpdk-dev] [PATCH v2 23/33] event/cnxk: add devargs to disable NPA X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Pavan Nikhilesh If the chunks are allocated from NPA then TIM can automatically free them when traversing the list of chunks. Add devargs to disable NPA and use software mempool to manage chunks. Example: --dev "0002:0e:00.0,tim_disable_npa=1" Signed-off-by: Shijith Thotton Signed-off-by: Pavan Nikhilesh --- doc/guides/eventdevs/cnxk.rst | 10 ++++ drivers/event/cnxk/cn10k_eventdev.c | 3 +- drivers/event/cnxk/cn9k_eventdev.c | 3 +- drivers/event/cnxk/cnxk_eventdev.h | 9 +++ drivers/event/cnxk/cnxk_tim_evdev.c | 86 +++++++++++++++++++++-------- drivers/event/cnxk/cnxk_tim_evdev.h | 5 ++ 6 files changed, 92 insertions(+), 24 deletions(-) diff --git a/doc/guides/eventdevs/cnxk.rst b/doc/guides/eventdevs/cnxk.rst index 662df2971..9e14f99f2 100644 --- a/doc/guides/eventdevs/cnxk.rst +++ b/doc/guides/eventdevs/cnxk.rst @@ -93,6 +93,16 @@ Runtime Config Options -a 0002:0e:00.0,qos=[1-50-50-50] +- ``TIM disable NPA`` + + By default chunks are allocated from NPA then TIM can automatically free + them when traversing the list of chunks. The ``tim_disable_npa`` devargs + parameter disables NPA and uses software mempool to manage chunks + + For example:: + + -a 0002:0e:00.0,tim_disable_npa=1 + Debugging Options ----------------- diff --git a/drivers/event/cnxk/cn10k_eventdev.c b/drivers/event/cnxk/cn10k_eventdev.c index 30ca0d901..807e666d3 100644 --- a/drivers/event/cnxk/cn10k_eventdev.c +++ b/drivers/event/cnxk/cn10k_eventdev.c @@ -502,4 +502,5 @@ RTE_PMD_REGISTER_PCI_TABLE(event_cn10k, cn10k_pci_sso_map); RTE_PMD_REGISTER_KMOD_DEP(event_cn10k, "vfio-pci"); RTE_PMD_REGISTER_PARAM_STRING(event_cn10k, CNXK_SSO_XAE_CNT "=" CNXK_SSO_GGRP_QOS "=" - CN10K_SSO_GW_MODE "="); + CN10K_SSO_GW_MODE "=" + CNXK_TIM_DISABLE_NPA "=1"); diff --git a/drivers/event/cnxk/cn9k_eventdev.c b/drivers/event/cnxk/cn9k_eventdev.c index 773152e55..3e27fce4a 100644 --- a/drivers/event/cnxk/cn9k_eventdev.c +++ b/drivers/event/cnxk/cn9k_eventdev.c @@ -571,4 +571,5 @@ RTE_PMD_REGISTER_PCI_TABLE(event_cn9k, cn9k_pci_sso_map); RTE_PMD_REGISTER_KMOD_DEP(event_cn9k, "vfio-pci"); RTE_PMD_REGISTER_PARAM_STRING(event_cn9k, CNXK_SSO_XAE_CNT "=" CNXK_SSO_GGRP_QOS "=" - CN9K_SSO_SINGLE_WS "=1"); + CN9K_SSO_SINGLE_WS "=1" + CNXK_TIM_DISABLE_NPA "=1"); diff --git a/drivers/event/cnxk/cnxk_eventdev.h b/drivers/event/cnxk/cnxk_eventdev.h index 81bb3488a..257772cb2 100644 --- a/drivers/event/cnxk/cnxk_eventdev.h +++ b/drivers/event/cnxk/cnxk_eventdev.h @@ -159,6 +159,15 @@ struct cnxk_sso_hws_cookie { bool configured; } __rte_cache_aligned; +static inline int +parse_kvargs_flag(const char *key, const char *value, void *opaque) +{ + RTE_SET_USED(key); + + *(uint8_t *)opaque = !!atoi(value); + return 0; +} + static inline int parse_kvargs_value(const char *key, const char *value, void *opaque) { diff --git a/drivers/event/cnxk/cnxk_tim_evdev.c b/drivers/event/cnxk/cnxk_tim_evdev.c index 986ad8493..44bcad94d 100644 --- a/drivers/event/cnxk/cnxk_tim_evdev.c +++ b/drivers/event/cnxk/cnxk_tim_evdev.c @@ -31,30 +31,43 @@ cnxk_tim_chnk_pool_create(struct cnxk_tim_ring *tim_ring, cache_sz = RTE_MEMPOOL_CACHE_MAX_SIZE; cache_sz = cache_sz != 0 ? cache_sz : 2; tim_ring->nb_chunks += (cache_sz * rte_lcore_count()); - tim_ring->chunk_pool = rte_mempool_create_empty( - pool_name, tim_ring->nb_chunks, tim_ring->chunk_sz, cache_sz, 0, - rte_socket_id(), mp_flags); - - if (tim_ring->chunk_pool == NULL) { - plt_err("Unable to create chunkpool."); - return -ENOMEM; - } + if (!tim_ring->disable_npa) { + tim_ring->chunk_pool = rte_mempool_create_empty( + pool_name, tim_ring->nb_chunks, tim_ring->chunk_sz, + cache_sz, 0, rte_socket_id(), mp_flags); + + if (tim_ring->chunk_pool == NULL) { + plt_err("Unable to create chunkpool."); + return -ENOMEM; + } - rc = rte_mempool_set_ops_byname(tim_ring->chunk_pool, - rte_mbuf_platform_mempool_ops(), NULL); - if (rc < 0) { - plt_err("Unable to set chunkpool ops"); - goto free; - } + rc = rte_mempool_set_ops_byname(tim_ring->chunk_pool, + rte_mbuf_platform_mempool_ops(), + NULL); + if (rc < 0) { + plt_err("Unable to set chunkpool ops"); + goto free; + } - rc = rte_mempool_populate_default(tim_ring->chunk_pool); - if (rc < 0) { - plt_err("Unable to set populate chunkpool."); - goto free; + rc = rte_mempool_populate_default(tim_ring->chunk_pool); + if (rc < 0) { + plt_err("Unable to set populate chunkpool."); + goto free; + } + tim_ring->aura = roc_npa_aura_handle_to_aura( + tim_ring->chunk_pool->pool_id); + tim_ring->ena_dfb = 0; + } else { + tim_ring->chunk_pool = rte_mempool_create( + pool_name, tim_ring->nb_chunks, tim_ring->chunk_sz, + cache_sz, 0, NULL, NULL, NULL, NULL, rte_socket_id(), + mp_flags); + if (tim_ring->chunk_pool == NULL) { + plt_err("Unable to create chunkpool."); + return -ENOMEM; + } + tim_ring->ena_dfb = 1; } - tim_ring->aura = - roc_npa_aura_handle_to_aura(tim_ring->chunk_pool->pool_id); - tim_ring->ena_dfb = 0; return 0; @@ -110,8 +123,17 @@ cnxk_tim_ring_create(struct rte_event_timer_adapter *adptr) tim_ring->nb_bkts = (tim_ring->max_tout / tim_ring->tck_nsec); tim_ring->nb_timers = rcfg->nb_timers; tim_ring->chunk_sz = dev->chunk_sz; + tim_ring->disable_npa = dev->disable_npa; + + if (tim_ring->disable_npa) { + tim_ring->nb_chunks = + tim_ring->nb_timers / + CNXK_TIM_NB_CHUNK_SLOTS(tim_ring->chunk_sz); + tim_ring->nb_chunks = tim_ring->nb_chunks * tim_ring->nb_bkts; + } else { + tim_ring->nb_chunks = tim_ring->nb_timers; + } - tim_ring->nb_chunks = tim_ring->nb_timers; tim_ring->nb_chunk_slots = CNXK_TIM_NB_CHUNK_SLOTS(tim_ring->chunk_sz); /* Create buckets. */ tim_ring->bkt = @@ -199,6 +221,24 @@ cnxk_tim_caps_get(const struct rte_eventdev *evdev, uint64_t flags, return 0; } +static void +cnxk_tim_parse_devargs(struct rte_devargs *devargs, struct cnxk_tim_evdev *dev) +{ + struct rte_kvargs *kvlist; + + if (devargs == NULL) + return; + + kvlist = rte_kvargs_parse(devargs->args, NULL); + if (kvlist == NULL) + return; + + rte_kvargs_process(kvlist, CNXK_TIM_DISABLE_NPA, &parse_kvargs_flag, + &dev->disable_npa); + + rte_kvargs_free(kvlist); +} + void cnxk_tim_init(struct roc_sso *sso) { @@ -217,6 +257,8 @@ cnxk_tim_init(struct roc_sso *sso) } dev = mz->addr; + cnxk_tim_parse_devargs(sso->pci_dev->device.devargs, dev); + dev->tim.roc_sso = sso; rc = roc_tim_init(&dev->tim); if (rc < 0) { diff --git a/drivers/event/cnxk/cnxk_tim_evdev.h b/drivers/event/cnxk/cnxk_tim_evdev.h index 62bb2f1eb..8c21ab1fe 100644 --- a/drivers/event/cnxk/cnxk_tim_evdev.h +++ b/drivers/event/cnxk/cnxk_tim_evdev.h @@ -33,11 +33,15 @@ #define CN9K_TIM_MIN_TMO_TKS (256) +#define CNXK_TIM_DISABLE_NPA "tim_disable_npa" + struct cnxk_tim_evdev { struct roc_tim tim; struct rte_eventdev *event_dev; uint16_t nb_rings; uint32_t chunk_sz; + /* Dev args */ + uint8_t disable_npa; }; enum cnxk_tim_clk_src { @@ -75,6 +79,7 @@ struct cnxk_tim_ring { struct rte_mempool *chunk_pool; uint64_t arm_cnt; uint8_t prod_type_sp; + uint8_t disable_npa; uint8_t ena_dfb; uint16_t ring_id; uint32_t aura;